In recent years, koi have become hugely popular in Asia, with Japan's koi exports doubling over the past decade to 6.3 billion yen ($43 million) — one-fifth of them shipped to China, the top ...
Since October, thousands of farm-bred carp in Japan ... via direct contact or from mud, nets, buckets, parasites, plants or water. It does not multiply at temperatures above 30C/86F. It is not, ...